Home / 163,621.60-245,432.40-134,461.60

Finding the Fourth Proportional to 163,621.60, 245,432.40 and 134,461.60

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Solution

The fourth proportional to 163,621.60, 245,432.40 and 134,461.60 is: 201,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,621.60 : 245,432.40 = 134,461.60 : x
  2. Step 2: Convert to fraction form
    163,621.60/245,432.40 = 134,461.60/x
  3. Step 3: Cross multiply
    163,621.60x = 245,432.40 × 134,461.60
  4. Step 4: Simplify right side
    163,621.60x = 33,001,233,195.84
  5. Step 5: Solve for x
    x = 33,001,233,195.84/163,621.60
  6. Step 6: Final answer
    x = 201,692.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.